I will follow my logic, no matter where it goes, after it has consulted with my heart. If you ever come to a conclusion without calling the heart in, you will come to a bad conclusion.

If there is a God, there should be no slaves.

Commerce makes friends, religion makes enemies; the one enriches, and the other impoverishes; the one thrives best where the truth is told, the other where falsehoods are believed.

I have no confidence in any religion that can be demonstrated only to children.

If the reason I give is a good one, you will act upon it. If it is a bad one I cannot make it better by piling epithet upon epithet. There is no logic in abuse; there is no argument in an epithet.

I do not believe in loving enemies; I have pretty hard work to love my friends. Neither do I believe in revenge. No man can afford to keep the viper of revenge in his heart. But I believe in justice, in self-defense.

He [The Improved Man] will enjoy not only the sunshine of life, but will bear with fortitude the darkest days. He will have no fear of death. About the grave, there will be no terrors, and his life will end as serenely as the sun rises.